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Lexicon MPX200 Dual-channel Effects Processor By Paul White
Published August 2001


Paul White tests Lexicon's new multi‑effects unit, which offers the classy sound quality of the MPX500 at an even more affordable price point.

Lexicon's new MPX200 effects processor is priced between their existing MPX100 and MPX500 machines and is designed to offer the more expensive unit's sound quality, but with reduced editability. The unit combines dual effects processors with a digital compressor, and the front‑panel layout breaks the mould of the earlier MPX units in having few physical controls and rather a lot of status LEDs.

Powered via an IEC mains inlet, the MPX200 features unbalanced jacks for the stereo analogue I/O, with 24‑bit A‑D/D‑A conversion, and phono connectors for coaxial S/PDIF digital I/O running at 44.1kHz. An Input knob on the front panel sets input level, with visual feedback via dual three‑segment bar‑graph meters. MIDI In and Out/Thru sockets are also fitted for remote parameter control, patch dumping and so forth, and the choice of MIDI Out or Thru is software selectable.

The inputs have a fairly high impedance and can therefore be used directly with electric guitars — plugging an input into only the right channel feeds both channels for mono operation. The manufacturer's specifications quote a dynamic range of 95dB using the analogue connections, or 100dB when working entirely digitally. A novel touch is that the left output jack socket is of a TRS type, and can drive stereo headphones directly if required. A further TRS jack allows a footswitch to be connected for remotely engaging the unit's bypass mode.

The MPX200's 24‑bit algorithms embrace all the usual reverb and ambience treatments, as well as tremolo, rotary‑speaker emulation, chorus, flange, pitch, detune and delay (up to 5.5 seconds). There's also a handful of special...

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Published August 2001